ref: fb429bbf6788ceaef000fc685f4d6be6d99e8dcc
dir: /codec/encoder/core/inc/macros.h/
/*!
* \copy
* Copyright (c) 2009-2013, Cisco Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*
* \file macros.h
*
* \brief MACRO based tool utilization
*
* \date 3/13/2009 Created
*
*************************************************************************************
*/
#ifndef WELS_MACRO_UTILIZATIONS_H__
#define WELS_MACRO_UTILIZATIONS_H__
//#include <math.h>
#include "typedefs.h"
namespace WelsSVCEnc {
#if defined(_MSC_VER)
#if _MSC_VER <= 1200
#define ALLOC_ALLIGN_MEM(name,size,type,alignment) \
type name##_storage[size+(alignment)-1]; \
type * name = (type *) (((int32_t) name##_storage+(alignment - 1)) & ~((int32_t)(alignment)-1))
#define ALLOC_ALLIGN_MEM_2(name,sizex,sizey,type,alignment) \
type name##_storage[(sizex)*(sizey)+(alignment)-1]; \
type * name = (type *) (((int32_t) name##_storage+(alignment - 1)) & ~((int32_t)(alignment)-1))
#else //_MSC_VER <= 1200
#define ALLOC_ALLIGN_MEM(name,size,type,alignment) \
__declspec(align(alignment)) type name[size]
#define ALLOC_ALLIGN_MEM_2(name,sizex,sizey,type,alignment) \
__declspec(align(alignment)) type name[(sizex)*(sizey)]
#endif//_MSC_VER <= 1200
#elif defined(__GNUC__)
#define ALLOC_ALLIGN_MEM(name,size,type,alignment) \
type name[size] __attribute__((aligned(alignment)))
#define ALLOC_ALLIGN_MEM_2(name,sizex,sizey,type,alignment) \
type name[(sizex)*(sizey)] __attribute__((aligned(alignment)))
#endif//_MSC_VER
#if defined(_MSC_VER)
#if(_MSC_VER < 1700)
#define inline __inline
#endif
#define __FASTCALL __fastcall
#define ALIGNED_DECLARE( type, var, n ) __declspec(align(n)) type var
#define __align8(t,v) __declspec(align(8)) t v
#define __align16(t,v) __declspec(align(16)) t v
#elif defined(__GNUC__)
#if !defined(MAC_POWERPC)
#define __FASTCALL __attribute__ ((fastcall))
#else
#define __FASTCALL // mean NULL for mac ppc
#endif//MAC_POWERPC
#define ALIGNED_DECLARE( type, var, n ) type var __attribute__((aligned(n)))
#define __align8(t,v) t v __attribute__ ((aligned (8)))
#define __align16(t,v) t v __attribute__ ((aligned (16)))
#endif//_MSC_VER
#if defined(_MACH_PLATFORM) || defined(__GNUC__)
#define ALIGNED_DECLARE_MATRIX_2D(name,sizex,sizey,type,alignment) \
type name[(sizex)*(sizey)] __attribute__((aligned(alignment)))
#else //_MSC_VER <= 1200
#define ALIGNED_DECLARE_MATRIX_2D(name,sizex,sizey,type,alignment) \
__declspec(align(alignment)) type name[(sizex)*(sizey)]
#endif//#if _MACH_PLATFORM
#if defined(_MACH_PLATFORM) || defined(__GNUC__)
#define ALIGNED_DECLARE_MATRIX_1D(name,size,type,alignment) \
type name[size] __attribute__((aligned(alignment)))
#else //_MSC_VER <= 1200
#define ALIGNED_DECLARE_MATRIX_1D(name,size,type,alignment) \
__declspec(align(alignment)) type name[(size)]
#endif//#if _MACH_PLATFORM
//#if !defined(SIZEOFRGB24)
//#define SIZEOFRGB24(cx, cy) (3 * (cx) * (cy))
//#endif//SIZEOFRGB24
//#if !defined(SIZEOFRGB32)
//#define SIZEOFRGB32(cx, cy) (4 * (cx) * (cy))
//#endif//SIZEOFRGB32
#ifndef WELS_ALIGN
#define WELS_ALIGN(x, n) (((x)+(n)-1)&~((n)-1))
#endif//WELS_ALIGN
#ifndef WELS_MAX
//#define WELS_MAX(x, y) ((x) > (y) ? (x) : (y))
//#define WELS_MAX(x, y) ((x) - (((x)-(y))&(((x)-(y))>>31)))
#define WELS_MAX(x, y) ((x) ^ (((x)^(y))& -((x)<(y)))) // WELS_MAX(x, y)
#endif//WELS_MAX
#ifndef WELS_MIN
//#define WELS_MIN(x, y) ((x) < (y) ? (x) : (y))
//#define WELS_MIN(x, y) ((y) + (((x)-(y))&(((x)-(y))>>31)))
#define WELS_MIN(x, y) ((y) ^ (((x)^(y))& -((x)<(y)))) // WELS_MIN(x, y)
#endif//WELS_MIN
#ifndef WELS_ROUND
#define WELS_ROUND(x) ((int32_t)((x)+0.5f+EPSN))
#endif//WELS_ROUND
static inline int32_t WELS_CEIL(float v)
{
const int32_t n = (int32_t)v; // floor value
return ((v>EPSN+n) ? (1+n) : n); // (int32_t)ceil(v);
}
static inline int32_t WELS_FLOOR(float v)
{
return (int32_t)v;
}
#define WELS_NON_ZERO_COUNT_AVERAGE(iC,iA,iB) { \
iC = iA + iB + 1; \
iC >>= (int32_t)( iA != -1 && iB != -1); \
iC += (iA == -1 && iB == -1); \
}
/*
* log base 2 of v and ceil/floor extension
*/
static inline int32_t WELS_CEILLOG2( uint32_t v )
{
int32_t r = 0;
--v;
while( v > 0 )
{
++r;
v >>= 1;
}
return r;
}
static inline int32_t WELS_FLOORLOG2( uint32_t v )
{
int32_t r = 0;
while( v > 1 )
{
++r;
v >>= 1;
}
return r;
}
static inline int32_t WELS_LOG2( uint32_t v )
{
int32_t r = 0;
while (v >>= 1)
{
++r;
}
return r;
}
static inline BOOL_T WELS_POWER2_IF( uint32_t v )
{
return ( v && !(v & (v - 1)) );
}
static inline int32_t WELS_MEDIAN(int32_t x, int32_t y, int32_t z)
{
int32_t t = (x-y)&((x-y)>>31);
x -= t;
y += t;
y -= (y-z)&((y-z)>>31);
y += (x-y)&((x-y)>>31);
return y;
}
#ifndef BUTTERFLY1x2
#define BUTTERFLY1x2(b) (((b)<<8) | (b))
#endif//BUTTERFLY1x2
#ifndef BUTTERFLY2x4
#define BUTTERFLY2x4(wd) (((uint32_t)(wd)<<16) |(wd))
#endif//BUTTERFLY2x4
#ifndef BUTTERFLY4x8
#define BUTTERFLY4x8(dw) (((uint64_t)(dw)<<32) | (dw))
#endif//BUTTERFLY4x8
//when RS accumulation, should clip rs among range of [-255, 255]
#ifndef CLIP_RS
#define CLIP_RS( value ) ( WELS_MAX( WELS_MIN( value, 255 ), -255 ) )
#endif //CLIP_RS
//#ifndef NEG_NUM
//#define NEG_NUM( num ) (1+(~(num)))
//#endif// NEG_NUM
#ifndef WELS_CLIP1
#define WELS_CLIP1(x) (((x) & ~255) ? (-(x) >> 31) : (x))
#endif//WELS_CLIP1
#ifndef WELS_SIGN
#define WELS_SIGN(a) ((int32_t)(a) >> 31) // General: (a)>>(sizeof(int)*CHAR_BIT-1), CHAR_BIT= the number of bits per byte (normally 8)
#endif //WELS_SIGN
static inline int32_t WELS_ABS(int32_t a)
{
const int32_t sign = WELS_SIGN(a);
return ((a + sign) ^ sign);
}
// wels_tostring
//#ifndef wels_tostring
//#define wels_tostring(s) #s
//#endif //wels_tostring
// WELS_CLIP3
#ifndef WELS_CLIP3
#define WELS_CLIP3(x, y, z) ((x) < (y) ? (y) : ((x) > (z) ? (z) : (x)))
#endif //WELS_CLIP3
#define CLIP3_QP_0_51(q) WELS_CLIP3(q, 0, 51) // ((q) < (0) ? (0) : ((q) > (51) ? (51) : (q)))
// Bitwise routines
// n: ulong
// b: bit order
static inline bool_t BITWISE_ENABLED(const uint32_t n, const uint8_t b)
{
const uint8_t bit = (b&0x1f); // maximal bit position 31 for uint32_t 4 bytes
#if defined(WORDS_BIGENDIAN)
/*
* 31 .. 24, 23 .. 16, 15 .. 8, 7 .. 0
* 7 .. 0, 15 .. 8, 23 .. 16, 31 .. 24
*/
const uint8_t map = 24+((bit&7)<<1)-bit; // BIG_ENDIAN map
return (bool_t)((n & (1<<map)) >> map); // BIG_ENDIAN
#else
return ((n & (1<<bit)) >> bit)?true:false; // LITTLE_ENDIAN
#endif//WORDS_BIGENDIAN
}
#define CALC_BI_STRIDE(width,bitcount) ((((width * bitcount) + 31) & ~31) >> 3)
//////////////////////////////////////////////////////////
#ifdef WORDS_BIGENDIAN
static inline uint32_t ENDIAN_FIX(uint32_t x)
{
return x;
}
#else
#ifdef _MSC_VER
static inline uint32_t ENDIAN_FIX(uint32_t x)
{
__asm
{
mov eax, x
bswap eax
mov x, eax
}
return x;
}
#else // GCC
static inline uint32_t ENDIAN_FIX(uint32_t x)
{
#ifdef X86_ARCH
__asm__ __volatile__("bswap %0":"+r"(x));
#else
x = ((x & 0xff000000)>> 24) | ((x & 0xff0000) >> 8) |
((x & 0xff00) << 8) | ((x&0xff) << 24);
#endif
return x;
}
#endif
#endif
// wels_swap16
// wels_swap32
// sad, satd, avg might being in other header
/*
* Description: to check variable validation and return the specified result
* result: value to be return
* case_if: negative condition to be verified
*/
#ifndef WELS_VERIFY_RETURN_IF
#define WELS_VERIFY_RETURN_IF(result, case_if) \
if ( case_if ){ \
return result; \
}
#endif//#if WELS_VERIFY_RETURN_IF
/*
* Description: to check variable validation and return the specified result
* with correspoinding process advance.
* result: value to be return
* case_if: negative condition to be verified
* proc: process need perform
*/
#ifndef WELS_VERIFY_RETURN_PROC_IF
#define WELS_VERIFY_RETURN_PROC_IF(result, case_if, proc) \
if ( case_if ){ \
proc; \
return result; \
}
#endif//#if WELS_VERIFY_RETURN_PROC_IF
/*
* Description: to check variable validation and return
* case_if: negtive condition to be verified
* return: NONE
*/
#ifndef WELS_VERIFY_IF
#define WELS_VERIFY_IF(case_if) \
if ( case_if ){ \
return; \
}
#endif//#if WELS_VERIFY_IF
/*
* Description: to check variable validation and return with correspoinding process advance.
* case_if: negtive condition to be verified
* proc: process need preform
* return: NONE
*/
#ifndef WELS_VERIFY_PROC_IF
#define WELS_VERIFY_PROC_IF(case_if, proc) \
if ( case_if ){ \
proc; \
return; \
}
#endif//#if WELS_VERIFY_IF
/*
* Description: to safe free a ptr with free function pointer
* p: pointer to be destroyed
* free_fn: free function pointer used
*/
#ifndef WELS_SAFE_FREE_P
#define WELS_SAFE_FREE_P(p, free_fn) \
do{ \
if ( NULL != (p) ){ \
free_fn( (p) ); \
(p) = NULL; \
} \
}while( 0 );
#endif//#if WELS_SAFE_FREE_P
/*
* Description: to safe free an array ptr with free function pointer
* arr: pointer to an array, something like "**p";
* num: number of elements in array
* free_fn: free function pointer
*/
#ifndef WELS_SAFE_FREE_ARR
#define WELS_SAFE_FREE_ARR(arr, num, free_fn) \
do{ \
if ( NULL != (arr) ){ \
int32_t iidx = 0; \
while( iidx < num ){ \
if ( NULL != (arr)[iidx] ){ \
free_fn( (arr)[iidx] ); \
(arr)[iidx] = NULL; \
} \
++ iidx; \
} \
free_fn((arr)); \
(arr) = NULL; \
} \
}while( 0 );
#endif//#if WELS_SAFE_FREE_ARR
}
#endif//WELS_MACRO_UTILIZATIONS_H__